Matt Kerrigan

Matt Kerrigan is currently a Co-Founder of Toothy AI, a healthcare technology startup operating out of the Greater Chicago Area. Founded in 2024 alongside Johnny Chen and Tejas Konduru, the 15-employee company is part of the Y Combinator Winter 2025 batch and develops software to automate back-office operations like insurance verification and billing for dental clinics. Previously, he founded Salezilla, an early large language model-based cold email campaign tool utilizing GPT-J that was backed by SoftBank and successfully reached $1 million in annual recurring revenue. Before his entrepreneurial ventures, he held a machine learning engineering role at a technology startup that was subsequently acquired by Nordstrom. His current professional focus centers on leveraging his full-stack engineering and operations management expertise to build specialized artificial intelligence applications that streamline administrative workflows within the healthcare sector.